This workflow follows the Executecommand → HTTP Request recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
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{
"nodes": [
{
"parameters": {
"triggerTimes": [
{
"mode": "everyX",
"value": {
"unit": "hours",
"quantity": 6
}
}
]
},
"name": "Trigger: Every 6 Hours",
"type": "n8n-nodes-base.cron",
"typeVersion": 1,
"position": [
200,
100
]
},
{
"name": "Set Prompt Types",
"parameters": {
"values": {
"string": [],
"array": [
{
"name": "promptTypes",
"value": {
"json": [
"plant_meditation",
"prophet_teaching",
"healing_scenario",
"reflection_intention"
]
}
}
]
},
"options": {}
},
"type": "n8n-nodes-base.set",
"typeVersion": 1,
"position": [
400,
100
]
},
{
"parameters": {
"batchSize": 1,
"options": {}
},
"name": "Split Prompt Types",
"type": "n8n-nodes-base.splitInBatches",
"typeVersion": 1,
"position": [
600,
100
]
},
{
"parameters": {
"values": {
"string": [
{
"name": "prompt",
"value": "{{ $json.promptTypes }}"
}
]
},
"options": {}
},
"name": "Set Prompt",
"type": "n8n-nodes-base.set",
"typeVersion": 1,
"position": [
700,
100
]
},
{
"parameters": {
"authentication": "predefinedCredentialType",
"httpMethod": "POST",
"url": "https://api.openai.com/v1/chat/completions",
"jsonParameters": true,
"options": {},
"bodyParametersJson": "{\n \"model\": \"gpt-4\",\n \"messages\": [{\"role\": \"user\", \"content\": \"{{$json.prompt}}\"}]\n}"
},
"name": "Generate Script (GPT-4)",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 1,
"position": [
1000,
100
]
},
{
"parameters": {
"httpMethod": "POST",
"url": "https://api.replicate.com/v1/predictions",
"jsonParameters": true,
"options": {},
"bodyParametersJson": "{\n \"version\": \"wavespeedai/wan-2.1-t2v-720p\",\n \"input\": {\n \"prompt\": $json[\"script\"]\n }\n}"
},
"name": "Text-to-Video (Replicate AI)",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 1,
"position": [
1200,
100
]
},
{
"parameters": {
"httpMethod": "POST",
"url": "https://api.replicate.com/v1/predictions",
"jsonParameters": true,
"options": {},
"bodyParametersJson": "{\n \"version\": \"minimax/speech-02-hd\",\n \"input\": {\n \"text\": $json[\"script\"],\n \"voice_id\": \"R8_KVA2GBM4\",\n \"emotion\": \"happy\"\n }\n}"
},
"name": "Generate Narration",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 1,
"position": [
1400,
100
]
},
{
"parameters": {
"directory": "/data/youtube-audio",
"options": {}
},
"name": "Pull YouTube Audio from Folder",
"type": "n8n-nodes-base.readBinaryFiles",
"typeVersion": 1,
"position": [
1600,
100
]
},
{
"parameters": {
"command": "ffmpeg -i input.mp4 -i input.mp3 -c:v copy -c:a aac output.mp4"
},
"name": "Merge Audio + Video",
"type": "n8n-nodes-base.executeCommand",
"typeVersion": 1,
"position": [
1800,
100
]
},
{
"parameters": {
"fileName": "final_output.mp4",
"dataPropertyName": "mergedFile"
},
"name": "Save .mp4 File",
"type": "n8n-nodes-base.writeBinaryFile",
"typeVersion": 1,
"position": [
2000,
100
]
},
{
"parameters": {
"values": {
"string": [
{
"name": "metadata",
"value": "{{ JSON.stringify({ prompt: $json.prompt, timestamp: new Date().toISOString() }) }}"
}
]
},
"options": {}
},
"name": "Generate Metadata",
"type": "n8n-nodes-base.set",
"typeVersion": 1,
"position": [
2200,
100
]
}
],
"connections": {
"Trigger: Every 6 Hours": {
"main": [
[
{
"node": "Set Prompt Types",
"type": "main",
"index": 0
}
]
]
},
"Set Prompt Types": {
"main": [
[
{
"node": "Split Prompt Types",
"type": "main",
"index": 0
}
]
]
},
"Split Prompt Types": {
"main": [
[
{
"node": "Set Prompt",
"type": "main",
"index": 0
}
]
]
},
"Set Prompt": {
"main": [
[
{
"node": "Generate Script (GPT-4)",
"type": "main",
"index": 0
}
]
]
},
"Generate Script (GPT-4)": {
"main": [
[
{
"node": "Text-to-Video (Replicate AI)",
"type": "main",
"index": 0
}
]
]
},
"Text-to-Video (Replicate AI)": {
"main": [
[
{
"node": "Generate Narration",
"type": "main",
"index": 0
}
]
]
},
"Generate Narration": {
"main": [
[
{
"node": "Pull YouTube Audio from Folder",
"type": "main",
"index": 0
}
]
]
},
"Pull YouTube Audio from Folder": {
"main": [
[
{
"node": "Merge Audio + Video",
"type": "main",
"index": 0
}
]
]
},
"Merge Audio + Video": {
"main": [
[
{
"node": "Save .mp4 File",
"type": "main",
"index": 0
}
]
]
},
"Save .mp4 File": {
"main": [
[
{
"node": "Generate Metadata",
"type": "main",
"index": 0
}
]
]
}
}
}
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About this workflow
Testflow1. Uses httpRequest, readBinaryFiles, executeCommand, writeBinaryFile. Scheduled trigger; 11 nodes.
Source: https://gist.github.com/mya7775/dbb80933a5b6443161f9417a967b0c7a — original creator credit. Request a take-down →
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